As a result of the Argentine government's price controls on biodiesel, producers have decreased production and there is not enough available to supply the mandatory blend rate of 10 percent. U.S. Soybean Supply Tightens in USDA Report As Mike Krueger indicated yesterday, USDA did not make any unexpected changes in its supply and demand forecasts for soybeans and soybean products in the March WASDE report. It did increase its forecast for U.S. soybean exports by 20 million bushels to a record 1.53 billion bushels (41.64 MMT). It partially offset the increase in exports by reducing its forecast for U.S. soybean crush by 10 million bushels to 1.69 billion bushels (46 MMT) and by increasing its forecast for imports by 5 million bushels to 35...